| --- | --- |
| **[`3rdparty`](#3rdparty)** | Set policies that WebExtensions can access via chrome.storage.managed.
| **[`AllowedDomainsForApps`](#alloweddomainsforapps)** | Define domains allowed to access Google Workspace.
+| **[`AllowFileSelectionDialogs`](#allowfileselectiondialogs)** | Allow file selection dialogs.
| **[`AppAutoUpdate`](#appautoupdate)** | Enable or disable automatic application update.
| **[`AppUpdatePin`](#appupdatepin)** | Prevent Firefox from being updated beyond the specified version.
| **[`AppUpdateURL`](#appupdateurl)** | Change the URL for application update.
| **[`DisabledCiphers`](#disabledciphers)** | Disable ciphers.
| **[`DisableDefaultBrowserAgent`](#disabledefaultbrowseragent)** | Prevent the default browser agent from taking any actions (Windows only).
| **[`DisableDeveloperTools`](#disabledevelopertools)** | Remove access to all developer tools.
+| **[`DisableEncryptedClientHello`](#disableencryptedclienthello)** | Disable the TLS Feature Encrypted Client Hello (ECH).
| **[`DisableFeedbackCommands`](#disablefeedbackcommands)** | Disable the menus for reporting sites.
| **[`DisableFirefoxAccounts`](#disablefirefoxaccounts)** | Disable Firefox Accounts integration (Sync).
| **[`DisableFirefoxScreenshots`](#disablefirefoxscreenshots)** | Remove access to Firefox Screenshots.
| **[`ExtensionSettings`](#extensionsettings)** | Manage all aspects of extensions.
| **[`ExtensionUpdate`](#extensionupdate)** | Control extension updates.
| **[`FirefoxHome`](#firefoxhome)** | Customize the Firefox Home page.
+| **[`FirefoxSuggest`](#firefoxsuggest)** | Customize Firefox Suggest.
| **[`GoToIntranetSiteForSingleWordEntryInAddressBar`](#gotointranetsiteforsinglewordentryinaddressbar)** | Force direct intranet site navigation instead of searching when typing single word entries in the address bar.
| **[`Handlers`](#handlers)** | Configure default application handlers.
| **[`HardwareAcceleration`](#hardwareacceleration)** | Control hardware acceleration.
| **[`PopupBlocking`](#popupblocking)** | Configure the default pop-up window policy as well as origins for which pop-up windows are allowed.
| **[`Preferences`](#preferences)** | Set and lock preferences.
| **[`PrimaryPassword`](#primarypassword)** | Require or prevent using a primary (formerly master) password.
+| **[`PrintingEnabled`](#printingenabled)** | Enable or disable printing.
| **[`PromptForDownloadLocation`](#promptfordownloadlocation)** | Ask where to save each file before downloading.
| **[`Proxy`](#proxy)** | Configure proxy settings.
| **[`RequestedLocales`](#requestedlocales)** | Set the the list of requested locales for the application in order of preference.
}
}
```
+### AllowFileSelectionDialogs
+
+Enable or disable file selection dialogs.
+
+**Compatibility:** Firefox 124\
+**CCK2 Equivalent:** N/A\
+**Preferences Affected:** `widget.disable_file_pickers`
+
+#### Windows (GPO)
+```
+Software\Policies\Mozilla\Firefox\AllowFileSelectionDialogs = 0x1 | 0x0
+```
+#### Windows (Intune)
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/AppAutoAllowFileSelectionDialogsUpdate
+```
+Value (string):
+```
+<enabled/> or <disabled/>
+```
+#### macOS
+```
+<dict>
+ <key>AllowFileSelectionDialogs</key>
+ <true/> | <false/>
+</dict>
+```
+#### policies.json
+```
+{
+ "policies": {
+ "AllowFileSelectionDialogs": true | false
+ }
+}
+```
### AppAutoUpdate
Enable or disable **automatic** application update.
If you have disabled updates via `DisableAppUpdate` or disabled automatic updates via `AppAutoUpdate`, this policy has no effect.
+If you are having trouble getting the background task to run, verify your configuration with the ["Requirements to run" section in this support document](https://support.mozilla.org/en-US/kb/enable-background-updates-firefox-windows).
+
**Compatibility:** Firefox 90 (Windows only)\
**CCK2 Equivalent:** N/A\
**Preferences Affected:** `app.update.background.enabled`
}
}
```
+### DisableEncryptedClientHello
+Disable the TLS Feature for Encrypted Client Hello. Note that TLS Client Hellos will still contain an ECH extension, but this extension will not be used by Firefox during the TLS handshake.
+
+**Compatibility:** Firefox 127, Firefox ESR 128\
+**CCK2 Equivalent:** N/A\
+**Preferences Affected:** `network.dns.echconfig.enabled`, `network.dns.http3_echconfig.enabled`
+
+#### Windows (GPO)
+```
+Software\Policies\Mozilla\Firefox\DisableEncryptedClientHello = 0x1 | 0x0
+```
+#### Windows (Intune)
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/DisableEncryptedClientHello
+```
+Value (string):
+```
+<enabled/> or <disabled/>
+```
+#### macOS
+```
+<dict>
+ <key>DisableEncryptedClientHello</key>
+ <true/> | <false/>
+</dict>
+```
+#### policies.json
+```
+{
+ "policies": {
+ "DisableEncryptedClientHello": true | false
+ }
+}
+```
### DisableFirefoxAccounts
Disable Firefox Accounts integration (Sync).
`SafeBrowsing` prevents selecting "ignore the risk" and visiting a harmful site anyway.
+These policies only affect what happens when an error is shown, they do not affect any settings in preferences.
+
**Compatibility:** Firefox 60, Firefox ESR 60\
**CCK2 Equivalent:** N/A\
**Preferences Affected:** `security.certerror.hideAddException`, `browser.safebrowsing.allowOverride`
`ExcludedDomains` excludes domains from DNS over HTTPS.
-**Compatibility:** Firefox 63, Firefox ESR 68 (ExcludedDomains added in 75/68.7)\
+`Fallback` determines whether or not Firefox will use your default DNS resolver if there is a problem with the secure DNS provider.
+
+**Compatibility:** Firefox 63, Firefox ESR 68 (ExcludedDomains added in 75/68.7) (Fallback added in 124)\
**CCK2 Equivalent:** N/A\
**Preferences Affected:** `network.trr.mode`, `network.trr.uri`
Software\Policies\Mozilla\Firefox\DNSOverHTTPS\ProviderURL = "URL_TO_ALTERNATE_PROVIDER"
Software\Policies\Mozilla\Firefox\DNSOverHTTPS\Locked = 0x1 | 0x0
Software\Policies\Mozilla\Firefox\DNSOverHTTPS\ExcludedDomains\1 = "example.com"
+Software\Policies\Mozilla\Firefox\DNSOverHTTPS\Fallback = 0x1 | 0x0
```
#### Windows (Intune)
OMA-URI:
<enabled/>
<data id="List" value="1example.com"/>
```
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~DNSOverHTTPS/DNSOverHTTPS_Fallback
+```
+Value (string):
+```
+<enabled/> or <disabled/>
+```
#### macOS
```
<dict>
<array>
<string>example.com</string>
</array>
+ <key>Fallback</key>
+ <true/> | <false/>
</dict>
</dict>
```
"Enabled": true | false,
"ProviderURL": "URL_TO_ALTERNATE_PROVIDER",
"Locked": true | false,
- "ExcludedDomains": ["example.com"]
+ "ExcludedDomains": ["example.com"],
+ "Fallback": true | false,
}
}
}
### Extensions
Control the installation, uninstallation and locking of extensions.
-While this policy is not technically deprecated, it is recommended that you use the **[`ExtensionSettings`](#extensionsettings)** policy. It has the same functionality and adds more. It does not support native paths, though, so you'll have to use file:/// URLs.
+We strongly recommend that you use the **[`ExtensionSettings`](#extensionsettings)** policy. It has the same functionality and adds more. It does not support native paths, though, so you'll have to use file:/// URLs.
+
+This method will be deprecated in the near future.
`Install` is a list of URLs or native paths for extensions to be installed.
"install_url": "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi"
},
"https-everywhere@eff.org": {
- "installation_mode": "allowed"
+ "installation_mode": "allowed",
+ "updates_disabled": false
}
}
```
"install_url": "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi"
},
"https-everywhere@eff.org": {
- "installation_mode": "allowed"
+ "installation_mode": "allowed",
+ "updates_disabled": false
}
}'/>
```
<key>uBlock0@raymondhill.net</key>
<dict>
<key>installation_mode</key>
- <string>force_installed</string>
+ <string>force_installed</string>
<key>install_url</key>
<string>https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi</string>
</dict>
<key>https-everywhere@eff.org</key>
<dict>
<key>installation_mode</key>
- <string>allowed</string>
+ <string>allowed</string>
+ <key>updates_disabled</key>
+ <true/> | <false/>
</dict>
</dict>
</dict>
"install_url": "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi"
},
"https-everywhere@eff.org": {
- "installation_mode": "allowed"
+ "installation_mode": "allowed",
+ "updates_disabled": false
}
}
}
### FirefoxHome
Customize the Firefox Home page.
-**Compatibility:** Firefox 68, Firefox ESR 68 (SponsoredTopSites and SponsoredPocket were added in Firefox 95, Firefox ESR 91.4)
+**Compatibility:** Firefox 68, Firefox ESR 68 (SponsoredTopSites and SponsoredPocket were added in Firefox 95, Firefox ESR 91.4, Snippets was deprecated in Firefox 122)
**CCK2 Equivalent:** N/A\
**Preferences Affected:** `browser.newtabpage.activity-stream.showSearch`, `browser.newtabpage.activity-stream.feeds.topsites`, `browser.newtabpage.activity-stream.feeds.section.highlights`, `browser.newtabpage.activity-stream.feeds.section.topstories`, `browser.newtabpage.activity-stream.feeds.snippets`, `browser.newtabpage.activity-stream.showSponsoredTopSites`, `browser.newtabpage.activity-stream.showSponsored`
}
}
```
+### FirefoxSuggest
+Customize Firefox Suggest (US only).
+
+**Compatibility:** Firefox 118, Firefox ESR 115.3.
+**CCK2 Equivalent:** N/A\
+**Preferences Affected:** `browser.urlbar.suggest.quicksuggest.nonsponsored`, `browser.urlbar.suggest.quicksuggest.sponsored`, `browser.urlbar.quicksuggest.dataCollection.enabled`
+
+#### Windows (GPO)
+```
+Software\Policies\Mozilla\Firefox\FirefoxSuggest\WebSuggestions = 0x1 | 0x0
+Software\Policies\Mozilla\Firefox\FirefoxSuggest\SponsoredSuggestions = 0x1 | 0x0
+Software\Policies\Mozilla\Firefox\FirefoxSuggest\ImproveSuggest = 0x1 | 0x0
+Software\Policies\Mozilla\Firefox\FirefoxSuggest\Locked = 0x1 | 0x0
+```
+#### Windows (Intune)
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~FirefoxSuggest/WebSuggestions
+```
+Value (string):
+```
+<enabled/> or <disabled/>
+```
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~FirefoxSuggest/SponsoredSuggestions
+```
+Value (string):
+```
+<enabled/> or <disabled/>
+```
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~FirefoxSuggest/ImproveSuggest
+```
+Value (string):
+```
+<enabled/> or <disabled/>
+```
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~FirefoxSuggest/Locked
+```
+Value (string):
+```
+<enabled/> or <disabled/>
+```
+#### macOS
+```
+<dict>
+ <key>FirefoxSuggest</key>
+ <dict>
+ <key>WebSuggestions</key>
+ <true/> | <false/>
+ <key>SponsoredSuggestions</key>
+ <true/> | <false/>
+ <key>ImproveSuggest</key>
+ <true/> | <false/>
+ <key>Locked</key>
+ <true/> | <false/>
+ </dict>
+</dict>
+```
+#### policies.json
+```
+{
+ "policies": {
+ "FirefoxSuggest": {
+ "WebSuggestions": true | false,
+ "SponsoredSuggestions": true | false,
+ "ImproveSuggest": true | false,
+ "Locked": true | false
+ }
+ }
+}
+```
### GoToIntranetSiteForSingleWordEntryInAddressBar
Whether to always go through the DNS server before sending a single word search string to a search engine.
2. Firefox will not check for updates in the background, though it will check automatically when an update UI is displayed (such as the one in the About dialog). This check will be used to show "Update to version X" in the UI, but will not automatically download the update or prompt the user to update in any other way.
3. The update UI will work as expected, unlike when using DisableAppUpdate.
-This policy is primarily intended for advanced end users, not for enterprises.
+This policy is primarily intended for advanced end users, not for enterprises, but it is available via GPO.
**Compatibility:** Firefox 87\
**CCK2 Equivalent:** N/A\
**Preferences Affected:** N/A
+#### Windows (GPO)
+```
+Software\Policies\Mozilla\Firefox\ManualAppUpdateOnly = 0x1 | 0x0
+```
+#### Windows (Intune)
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/ManualAppUpdateOnly
+```
+Value (string):
+```
+<enabled/> or <disabled/>
+```
+#### macOS
+```
+<dict>
+ <key>ManualAppUpdateOnly</key>
+ <true/> | <false/>
+</dict>
+```
#### policies.json
```
{
**Compatibility:** Firefox 77, Firefox ESR 68.9\
**CCK2 Equivalent:** N/A\
-**Preferences Affected:** `pdfjs.diabled`, `pdfjs.enablePermissions`
+**Preferences Affected:** `pdfjs.disabled`, `pdfjs.enablePermissions`
#### Windows (GPO)
```
Preferences that start with the following prefixes are supported:
```
accessibility.
-app.update.* (Firefox 86, Firefox 78.8)
+alerts.* (Firefox 122, Firefox ESR 115.7)
+app.update.* (Firefox 86, Firefox ESR 78.8)
browser.
datareporting.policy.
dom.
network.
pdfjs. (Firefox 84, Firefox ESR 78.6)
places.
+pref.
print.
signon. (Firefox 83, Firefox ESR 78.5)
spellchecker. (Firefox 84, Firefox ESR 78.6)
ui.
widget.
xpinstall.signatures.required (Firefox ESR 102.10, Firefox ESR only)
+xpinstall.whitelist.required (Firefox 118, Firefox ESR 115.3)
```
as well as the following security preferences:
| --- | --- | --- |
| security.default_personal_cert | string | Ask Every Time
| If set to Select Automatically, Firefox automatically chooses the default personal certificate.
+| security.disable_button.openCertManager | string | N/A
+| If set to true and locked, the View Certificates button in preferences is disabled (Firefox 121, Firefox ESR 115.6)
+| security.disable_button.openDeviceManager | string | N/A
+| If set to true and locked, the Security Devices button in preferences is disabled (Firefox 121, Firefox ESR 115.6)
| security.insecure_connection_text.enabled | bool | false
| If set to true, adds the words "Not Secure" for insecure sites.
| security.insecure_connection_text.pbmode.enabled | bool | false
| security.osclientcerts.autoload | boolean | false
| If true, client certificates are loaded from the operating system certificate store.
| security.OCSP.enabled | integer | 1
-| If 0, do not fetch OCSP. If 1, fetch OCSP for DV and EV certificates. If 2, fetch OCSP only for EV certificates
+| If 0, do not fetch OCSP. If 1, fetch OCSP for DV and EV certificates. If 2, fetch OCSP only for EV certificates.
| security.OCSP.require | boolean | false
| If true, if an OCSP request times out, the connection fails.
| security.osclientcerts.assume_rsa_pss_support | boolean | true
-| If false, we don't assume an RSA key can do RSA-PSS (Firefox 114, Firefox ESR 102.12).
+| If false, we don't assume an RSA key can do RSA-PSS. (Firefox 114, Firefox ESR 102.12)
| security.ssl.enable_ocsp_stapling | boolean | true
| If false, OCSP stapling is not enabled.
| security.ssl.errorReporting.enabled | boolean | true
| If false, SSL errors cannot be sent to Mozilla.
+| security.ssl.require_safe_negotiation | boolean | false
+| If true, Firefox will only negotiate TLS connections with servers that indicate they support secure renegotiation. (Firefox 118, Firefox ESR 115.3)
| security.tls.enable_0rtt_data | boolean | true
-| If false, TLS early data is turned off (Firefox 93, Firefox 91.2, Firefox 78.15).
+| If false, TLS early data is turned off. (Firefox 93, Firefox 91.2, Firefox 78.15)
| security.tls.hello_downgrade_check | boolean | true
| If false, the TLS 1.3 downgrade check is disabled.
| security.tls.version.enable-deprecated | boolean | false
-| If true, browser will accept TLS 1.0. and TLS 1.1 (Firefox 86, Firefox 78.8).
+| If true, browser will accept TLS 1.0. and TLS 1.1. (Firefox 86, Firefox 78.8)
| security.warn_submit_secure_to_insecure | boolean | true
| If false, no warning is shown when submitting a form from https to http.
`"user"` preferences persist even if the policy is removed, so if you need to remove them, you should use the clear policy.
+You can also set the `Type` starting in Firefox 123 and Firefox ESR 115.8. It can be `number`, `boolean` or `string`. This is especially useful if you are seeing 0 or 1 values being converted to booleans when set as user preferences.
+
See the examples below for more detail.
IMPORTANT: Make sure you're only setting a particular preference using this mechanism and not some other way.
{
"accessibility.force_disabled": {
"Value": 1,
- "Status": "default"
+ "Status": "default",
+ "Type": "number"
+
},
"browser.cache.disk.parent_directory": {
"Value": "SOME_NATIVE_PATH",
{
"accessibility.force_disabled": {
"Value": 1,
- "Status": "default"
+ "Status": "default",
+ "Type": "number"
},
"browser.cache.disk.parent_directory": {
"Value": "SOME_NATIVE_PATH",
<integer>1</integer>
<key>Status</key>
<string>default</string>
+ <key>Type</key>
+ <string>number</string>
</dict>
<key>browser.cache.disk.parent_directory</key>
<dict>
"accessibility.force_disabled": {
"Value": 1,
"Status": "default"
+ "Type": "number"
},
"browser.cache.disk.parent_directory": {
"Value": "SOME_NATIVE_PATH",
}
}
```
+### PrintingEnabled
+Enable or disable printing.
+
+**Compatibility:** Firefox 120, Firefox ESR 115.5\
+**CCK2 Equivalent:** N/A\
+**Preferences Affected:** `print.enabled`
+
+#### Windows (GPO)
+```
+Software\Policies\Mozilla\Firefox\PrintingEnabled = 0x1 | 0x0
+```
+#### Windows (Intune)
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/PrintingEnabled
+```
+Value (string):
+```
+<enabled/> or <disabled/>
+```
+#### macOS
+```
+<dict>
+ <key>PrintingEnabled</key>
+ <true/> | <false/>
+</dict>
+```
+#### policies.json
+```
+{
+ "policies": {
+ "PrintingEnabled": true | false
+ }
+}
+```
### PromptForDownloadLocation
Ask where to save each file before downloading.
```
Software\Policies\Mozilla\Firefox\Proxy\Mode = "none" | "system" | "manual" | "autoDetect" | "autoConfig"
Software\Policies\Mozilla\Firefox\Proxy\Locked = 0x1 | 0x0
-Software\Policies\Mozilla\Firefox\=Proxy\HTTPProxy = https://httpproxy.example.com
+Software\Policies\Mozilla\Firefox\Proxy\HTTPProxy = https://httpproxy.example.com
Software\Policies\Mozilla\Firefox\Proxy\UseHTTPProxyForAllProtocols = 0x1 | 0x0
Software\Policies\Mozilla\Firefox\Proxy\SSLProxy = https://sslproxy.example.com
Software\Policies\Mozilla\Firefox\Proxy\FTPProxy = https://ftpproxy.example.com
```
### SSLVersionMax
-Set and lock the maximum version of TLS.
+Set and lock the maximum version of TLS. (Firefox defaults to a maximum of TLS 1.3.)
**Compatibility:** Firefox 66, Firefox ESR 60.6\
**CCK2 Equivalent:** N/A\
```
### SSLVersionMin
-Set and lock the minimum version of TLS.
+Set and lock the minimum version of TLS. (Firefox defaults to a minimum of TLS 1.2.)
**Compatibility:** Firefox 66, Firefox ESR 60.6\
**CCK2 Equivalent:** N/A\